Update snapshot with new _dd.svc_src

Author: bouwkast

tracer/test/snapshots/OcelotDistributedTracingTests.verified.txt

@@ -17,7 +17,8 @@
       out.host: 127.0.0.1,
       runtime-id: Guid_1,
       span.kind: client,
-      _dd.base_service: Samples.Ocelot.DistributedTracing
+      _dd.base_service: Samples.Ocelot.DistributedTracing,
+      _dd.svc_src: http-client
     },
     Metrics: {
       process_id: 0,
@@ -78,7 +79,8 @@
       out.host: 127.0.0.1,
       runtime-id: Guid_1,
       span.kind: client,
-      _dd.base_service: Samples.Ocelot.DistributedTracing
+      _dd.base_service: Samples.Ocelot.DistributedTracing,
+      _dd.svc_src: http-client
     },
     Metrics: {
       _dd.top_level: 1.0